KR100264213B1 - 반도체 메모리의 센스앰프 - Google Patents
반도체 메모리의 센스앰프 Download PDFInfo
- Publication number
- KR100264213B1 KR100264213B1 KR1019980002696A KR19980002696A KR100264213B1 KR 100264213 B1 KR100264213 B1 KR 100264213B1 KR 1019980002696 A KR1019980002696 A KR 1019980002696A KR 19980002696 A KR19980002696 A KR 19980002696A KR 100264213 B1 KR100264213 B1 KR 100264213B1
- Authority
- KR
- South Korea
- Prior art keywords
- sense amplifier
- bit line
- voltage
- switching element
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
- G11C7/08—Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
- G11C7/065—Differential amplifiers of latching type
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4094—Bit-line management or control circuits
Landscapes
- Dram (AREA)
Abstract
Description
Claims (4)
- 제 1 메모리 셀이 연결되는 비트 라인과 제 2 메모리 셀이 연결되는 비트바 라인으로 이루어져서 전원전압의 1/2에 해당하는 프리차지 전압을 초기값으로 갖는 비트 라인 쌍을 하나 이상 구비하고, 상기 비트 라인과 상기 비트바 라인 사이에 연결되는 센스앰프를 포함하는 반도체 메모리의 상기 센스앰프에 있어서,상기 비트 라인과 상기 비트바 라인 사이에 제 1 스위칭 소자와 제 2 스위칭 소자가 직렬 연결되고, 상기 제 1 스위칭 소자와 상기 제 2 스위칭 소자 사이에 센스앰프 제어신호가 입력되며, 상기 비트 라인과 상기 비트바 라인 사이에 제 1 캐패시터와 제 2 캐패시터가 직렬 연결되고, 상기 제 1 캐패시터와 제 2 캐패시터 사이에 부스트 신호가 입력되도록 이루어지는 반도체 메모리의 센스앰프.
- 청구항 1에 있어서, 상기 제 1 스위칭 소자의 일단이 상기 비트 라인에 연결되고, 상기 제 2 스위칭 소자의 일단이 상기 비트바 라인에 연결되며, 상기 제 1 스위칭 소자의 제어단자가 상기 비트바 라인에 연결되고, 상기 제 2 스위칭 소자의 제어단자가 상기 비트 라인에 연결되는 반도체 메모리의 센스앰프.
- 청구항 1 또는 청구항 2에 있어서, 상기 제 1 스위칭 소자와 상기 제 2 스위칭 소자가 엔모스 트랜지스터일 때, 상기 센스앰프 제어신호가 상기 프리차지 전압을 초기값으로 갖고 활성화되면 접지전압의 레벨로 하강하며, 상기 부스트 신호가 상기 프리차지 전압을 초기값으로 갖고 활성화되면 상기 전원전압의 레벨로 상승하는 반도체 메모리의 센스앰프.
- 청구항 1 또는 청구항 2에 있어서, 상기 제 1 스위칭 소자와 상기 제 2 스위칭 소자가 피모스 트랜지스터일 때, 상기 센스앰프 제어신호가 상기 프리차지 전압을 초기값으로 갖고 활성화되면 상기 전원전압의 레벨로 상승하며, 상기 부스트 신호가 상기 프리차지 전압을 초기값으로 갖고 활성화되면 접지전압의 레벨로 상승하는 반도체 메모리의 센스앰프.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980002696A KR100264213B1 (ko) | 1998-01-31 | 1998-01-31 | 반도체 메모리의 센스앰프 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980002696A KR100264213B1 (ko) | 1998-01-31 | 1998-01-31 | 반도체 메모리의 센스앰프 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990066625A KR19990066625A (ko) | 1999-08-16 |
KR100264213B1 true KR100264213B1 (ko) | 2000-08-16 |
Family
ID=19532289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980002696A Expired - Fee Related KR100264213B1 (ko) | 1998-01-31 | 1998-01-31 | 반도체 메모리의 센스앰프 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100264213B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100403612B1 (ko) * | 2000-11-08 | 2003-11-01 | 삼성전자주식회사 | 비트라인 프리차아지 시간(tRP)을 개선하는 메모리 셀어레이 구조를 갖는 반도체 메모리 장치 및 그 개선 방법 |
-
1998
- 1998-01-31 KR KR1019980002696A patent/KR100264213B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990066625A (ko) | 1999-08-16 |
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